Compost Sure (Green) has been specially formulated for use as bulking material in all Sun-Mar self-contained units and in all waterless central units. Compost Sure (Green) is a mixture of hemp core (stalk) and coarse sphagnum peat moss. Compost Sure (Green) facilitates composting by physically mixing the waste to present more surface area for breakdown. It holds moisture to help maintain the moisture content in the compost. It also ensures good porosity so that liquid can drain easily, leaving behind free air space for oxygen. Finally, Compost Sure (Green) offers a biologically active matrix. Supplied in an 8-gallon bag.